单选题
发布日期:2021-03-22
stop the refrigerant from flowing
force the refrigerant to flow
cause the refrigerant pressure to rise
cause the refrigerant pressure to fall
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The thermostatic valve has a throttling action, that is to say the valve can()
The thermostatic valve has a throttling action, that is to say the valve can()
Thermostatic expansion valve are ().
Thermostatic expansion valve are ().
The valve best suited for throttling gas or liquid flow in a pipeline is the().
The valve best suited for throttling gas or liquid flow in a pipeline is the().
When you adjust a thermostatic expansion valve, ().
When you adjust a thermostatic expansion valve, ().
During working, thermostatic expansion valve should be ().
During working, thermostatic expansion valve should be ().